Head to head
Hamilton Khaki Field Auto Chrono vs Tissot PRX Automatique Chronographe
Two automatic watches from different brands, €50 apart, recorded at Tempus on 12 November 2026.
What the spec sheets say
On measurable criteria the two sheets are level: the choice comes down to brand and design.
- Choose the Hamilton Khaki Field Auto Chrono if you prefer its brand or its design: the spec sheet gives it no edge.
- Choose the Tissot PRX Automatique Chronographe if you prefer its brand or its design: the spec sheet gives it no edge.
Line by line
CriterionHamiltonTissot
Price at our check€2,095€2,045
MovementAutomaticAutomatic
CalibreH-21Valjoux A05.H31
CrystalSapphireSapphire
Water resistance100 m100 m
Diameter42 mm42 mm
Comparison based on the retailer’s spec sheets, without handling the watches. Criteria with no objective winner (diameter, calibre) are left undecided.
Questions
Short answers
Which is cheaper, the Hamilton Khaki Field Auto Chrono or the Tissot PRX Automatique Chronographe?
The Tissot PRX Automatique Chronographe, at €2,045 against €2,095 at our check on 12 November 2026.
Which is more water-resistant?
Neither: both are water-resistant to 100 m.
Do they have the same crystal?
Yes, a sapphire crystal on both.